When I try posting a time for san andreas it just says 00 minutes and 00 seconds and I made sure to put my time (which is 8 hours 58 minutes 53 seconds) idk what the problem is... can someone help? I can't delete the run either so I will never be able to post my time for san andreas.

Towards the end of 2013, on the old leaderboards, it was required to submit a video for verification purposes. If you look at the date for some runs that has no video, it's a run that was submitted before the rules were enforced (October-November-ish).

You only need OBS for running San Andreas as it has DirectX9 by default but having Dxtory can help with the frame rate too as the default with Frame Limiter is 25fps (GTA 3 and VC are 30) and you can get it to limit the game to 30fps (Frame Limiter has to be off for it).

If you are sure that you want to stream, I recommend that you search YouTube for an OBS tutorial. I feel that short descriptions/screenshots probably won't help you a lot if you do not know how OBS works.